<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>

    <link rel="stylesheet" href="css/style.css">

</head>
<body>

<div id="app">
    <form action="#">
        <h2>登录</h2>
        <div>
            <label>用户名：
                <input type="text">
            </label>
        </div>
        <div>
            <label>密码：
                <input type="password">
            </label>
        </div>
    </form>
</div>

</body>
</html>